From 0e3ecaec3ebf2ed0dfbcff07b7fa1cfdd8240d5c Mon Sep 17 00:00:00 2001
From: Bernd Edlinger <bernd.edlinger@hotmail.de>
Date: Fri, 13 Apr 2018 18:48:06 +0200
Subject: [PATCH] Rework partial packet handling once more

Address the concern that commit c53c2fec raised differently.

The original direction of the traffic is encoded in bit 0
of the flight number.

Reviewed-by: Andy Polyakov <appro@openssl.org>
Reviewed-by: Richard Levitte <levitte@openssl.org>
Reviewed-by: Rich Salz <rsalz@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/5923)
---
 util/perl/TLSProxy/Proxy.pm  | 2 +-
 util/perl/TLSProxy/Record.pm | 3 ++-
 2 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/util/perl/TLSProxy/Proxy.pm b/util/perl/TLSProxy/Proxy.pm
index 45d88bffaa..752b572b8c 100644
--- a/util/perl/TLSProxy/Proxy.pm
+++ b/util/perl/TLSProxy/Proxy.pm
@@ -479,7 +479,7 @@ sub process_packet
 
     print "\n";
 
-    if (scalar(@{$ret[0]}) == 0) {
+    if (scalar(@{$ret[0]}) == 0 or length($ret[2]) != 0) {
         return "";
     }
 
diff --git a/util/perl/TLSProxy/Record.pm b/util/perl/TLSProxy/Record.pm
index acace3651a..49a0084d36 100644
--- a/util/perl/TLSProxy/Record.pm
+++ b/util/perl/TLSProxy/Record.pm
@@ -279,7 +279,8 @@ sub reconstruct_record
     my $server = shift;
     my $data;
 
-    if ($self->{sent}) {
+    #We only replay the records in the same direction
+    if ($self->{sent} || ($self->flight & 1) != $server) {
         return "";
     }
     $self->{sent} = 1;
-- 
2.25.1